The fortress stood firm through the Dagor Bragollach, and many survivors from the surrounding regions, including Maedhros' brother Maglor, rallied there. In the battle the Orcs had taken the Pass of Aglon, but Maedhros was later able to retake the Pass using the forces from Himring.[5]

Himring's fortress remained for centuries, until the Nirnaeth Arnoediad; it's possible that it was forsaken, as the sons of Fëanor would no longer have had the strength to man it, had they so chosen.[6]

After the War of Wrath, when the western lands were flooded, the plains about the hill were drowned and the top of the hill was all that remained of Himring. Left standing as an island, Himring lay off the northwest coast, about twenty-five miles out from the shores of northern Lindon.[3]